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Observed 10:45 AM CDT at KALO

Janesville, IA weather

Sunny and 64°18°, 17°9° warmer than a typical Oct 24.

Today: low 53°12° (likely 53°12° to 57°14°), high 76°24° (likely 73°23° to 76°24°).

Mostly agree

Now 64°18°

Sunny

Wind
10 mph17 km/h
From the south-southeast. Gusts to 21 mph34 km/h around 1 PM
Dew point
50°10°
Comfortable
UV index
2Low
Moderate 12–3 PM · peak 3
Pressure
30.27 inHg1025 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

2°1° cooler than this time yesterday (63°17° then, 61°16° now)

Good hours for
  • High 75°24° today at 3 PM
  • Low 53°12° tomorrow at 8 AM
  • Above 60°16° tomorrow by 10 AM
  1. This afternoonUp to 75°24° by 3 PM · Partly cloudy
  2. TonightDown to 55°13° by 5 AM · Mostly cloudy
  3. Tomorrow morningUp to 64°18° by 11 AM · Mostly cloudy
  4. Tomorrow afternoonUp to 72°22° by 3 PM · Mostly cloudy
  5. Tomorrow nightDown to 49°9° by 5 AM · Mostly cloudy
  6. Monday morningUp to 55°13° by 10 AM · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aSunny65°18° (likely 64°18° to 65°18°)65°18°0%13 mph21 km/h from S, gusts 21 mph33 km/h63%37%2
Sat 12pMostly sunny68°20° (likely 67°19° to 68°20°)68°20°0%13 mph21 km/h from S, gusts 21 mph34 km/h57%30%3
Sat 1pSunny71°22° (likely 70°21° to 71°22°)71°22°0%14 mph23 km/h from S, gusts 21 mph34 km/h49%18%3
Sat 2pSunny74°23° (likely 72°22° to 74°23°)74°23°0%14 mph23 km/h from S, gusts 21 mph33 km/h44%26%3
Sat 3pCloudy75°24° (likely 73°23° to 76°24°)75°24°0%14 mph23 km/h from S, gusts 20 mph32 km/h41%66%2
Sat 4pMostly cloudy74°23° (likely 72°22° to 76°24°)74°23°0%14 mph23 km/h from S, gusts 19 mph30 km/h43%59%1
Sat 5pMostly cloudy73°23° (likely 71°22° to 74°23°)73°23°0%12 mph19 km/h from S, gusts 16 mph26 km/h46%60%0
Sat 6pCloudy72°22° (likely 67°19° to 72°22°)72°22°0%9 mph14 km/h from S, gusts 14 mph23 km/h48%66%0
Sat 7pPartly cloudy67°19° (likely 65°18° to 67°19°)67°19°0%8 mph13 km/h from S, gusts 13 mph21 km/h59%45%0
Sat 8pMostly cloudy65°18° (likely 63°17° to 65°18°)65°18°0%7 mph11 km/h from S, gusts 14 mph23 km/h63%56%0
Sat 9pPartly cloudy63°17° (likely 62°17° to 64°18°)63°17°0%7 mph11 km/h from S, gusts 14 mph23 km/h67%72%0
Sat 10pCloudy62°17° (likely 61°16° to 62°17°)62°17°0%7 mph11 km/h from S, gusts 14 mph23 km/h70%80%0
Sat 11pCloudy61°16° (likely 60°16° to 61°16°)61°16°0%6 mph10 km/h from SSW, gusts 13 mph22 km/h72%79%0
Sun 12aCloudy60°16° (likely 59°15° to 60°16°)60°16°0%6 mph10 km/h from W, gusts 12 mph19 km/h75%82%0
Sun 1aCloudy58°14° (likely 58°14° to 59°15°)58°14°0%5 mph8 km/h from WNW, gusts 7 mph11 km/h83%81%0
Sun 2aCloudy57°14° (likely 56°13° to 58°14°)57°14°5%3 mph5 km/h from NNW, gusts 8 mph12 km/h86%81%0
Sun 3aCloudy57°14° (likely 54°12° to 57°14°)57°14°5%3 mph5 km/h from N, gusts 8 mph12 km/h86%81%0
Sun 4aCloudy56°13° (likely 53°12° to 56°13°)56°13°5%2 mph3 km/h from N, gusts 8 mph13 km/h90%80%0
Sun 5aMostly cloudy55°13° (likely 53°12° to 55°13°)55°13°5%2 mph3 km/h from N, gusts 7 mph11 km/h90%75%0
Sun 6aMostly cloudy54°12° (likely 52°11° to 54°12°)54°12°0%2 mph3 km/h from NNE, gusts 7 mph11 km/h90%65%0
Sun 7aMostly cloudy54°12° (likely 52°11° to 54°12°)54°12°0%2 mph3 km/h from NNE, gusts 7 mph12 km/h90%60%0
Sun 8aSunny53°12° (likely 51°11° to 54°12°)53°12°0%2 mph3 km/h from NE, gusts 9 mph14 km/h93%33%0
Sun 9aPartly sunny56°13° (likely 54°12° to 56°13°)56°13°0%2 mph3 km/h from SSE, gusts 11 mph18 km/h83%71%1
Sun 10aCloudy60°16° (likely 57°14° to 60°16°)60°16°0%3 mph5 km/h from SSE, gusts 10 mph15 km/h75%77%1
Sun 11aCloudy64°18° (likely 60°16° to 64°18°)64°18°0%2 mph3 km/h from S, gusts 7 mph12 km/h65%78%2
Sun 12pPartly sunny67°19° (likely 62°17° to 67°19°)67°19°0%3 mph5 km/h from S, gusts 7 mph12 km/h59%73%3
Sun 1pCloudy69°21° (likely 64°18° to 69°21°)69°21°0%2 mph3 km/h from S, gusts 8 mph12 km/h57%71%4
Sun 2pCloudy71°22° (likely 65°18° to 71°22°)71°22°0%3 mph5 km/h from SSW, gusts 8 mph13 km/h53%70%3
Sun 3pCloudy72°22° (likely 65°18° to 72°22°)72°22°0%2 mph3 km/h from SSW, gusts 8 mph13 km/h51%70%3
Sun 4pCloudy72°22° (likely 65°18° to 72°22°)72°22°0%2 mph3 km/h from SE, gusts 8 mph13 km/h49%70%2
Sun 5pPartly sunny71°22° (likely 64°18° to 71°22°)71°22°0%3 mph5 km/h from NNE, gusts 9 mph14 km/h51%70%1
Sun 6pCloudy68°20° (likely 60°16° to 68°20°)68°20°0%5 mph8 km/h from NNE, gusts 12 mph19 km/h54%74%0
Sun 7pCloudy65°18° (likely 57°14° to 65°18°)65°18°0%7 mph11 km/h from NE, gusts 13 mph21 km/h58%72%0
Sun 8pCloudy60°16° (likely 55°13° to 62°17°)60°16°0%8 mph13 km/h from NNE, gusts 15 mph24 km/h67%70%0
Sun 9pCloudy57°14° (likely 53°12° to 61°16°)57°14°0%8 mph13 km/h from NE, gusts 17 mph27 km/h72%70%0
Sun 10pCloudy56°13° (likely 51°11° to 60°16°)56°13°0%8 mph13 km/h from NE, gusts 15 mph25 km/h72%67%0
Sun 11pMostly cloudy54°12° (likely 50°10° to 58°14°)54°12°0%8 mph13 km/h from NE, gusts 14 mph22 km/h74%65%0
Mon 12aCloudy53°12° (likely 50°10° to 56°13°)53°12°0%7 mph11 km/h from NE, gusts 15 mph24 km/h71%75%0
Mon 1aCloudy52°11° (likely 49°9° to 54°12°)52°11°0%7 mph11 km/h from NE, gusts 15 mph24 km/h66%78%0
Mon 2aCloudy51°11° (likely 49°9° to 53°12°)51°11°0%7 mph11 km/h from NE, gusts 14 mph23 km/h66%69%0
Mon 3aCloudy50°10° (likely 48°9° to 52°11°)47°8°0%8 mph13 km/h from NE, gusts 14 mph23 km/h66%78%0
Mon 4aCloudy50°10° (likely 48°9° to 51°11°)47°8°0%8 mph13 km/h from NE, gusts 13 mph21 km/h66%78%0
Mon 5aCloudy49°9° (likely 48°9° to 51°11°)46°8°0%8 mph13 km/h from NE, gusts 14 mph22 km/h68%84%0
Mon 6aCloudy48°9° (likely 48°9° to 51°11°)44°7°0%8 mph13 km/h from NE, gusts 15 mph24 km/h68%85%0
Mon 7aCloudy49°9° (likely 47°8° to 52°11°)46°8°5%8 mph13 km/h from NE, gusts 16 mph26 km/h68%90%0
Mon 8aCloudy50°10° (likely 48°9° to 53°12°)47°8°5%8 mph13 km/h from ENE, gusts 14 mph22 km/h71%86%0
Mon 9aCloudy53°12° (likely 50°10° to 55°13°)53°12°5%9 mph14 km/h from ENE, gusts 15 mph25 km/h69%92%0
Mon 10aCloudy55°13° (likely 52°11° to 57°14°)55°13°5%9 mph14 km/h from ENE, gusts 16 mph25 km/h69%78%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 76°24°, low 53°12°. Typical 59°15° / 37°3°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      Dry

    2. Evening

      6 PM–midnight

      Partly cloudy, 65°18°

      Dry

    3. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      Dry

    Official NWS forecast

    Today: Mostly sunny. High near 76, with temperatures falling to around 73 in the afternoon. South wind around 14 mph, with gusts as high as 21 mph.

    Tonight: Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. West southwest wind 2 to 9 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    73°23°–76°24°
    Low, likely
    53°12°–57°14°
    Typical high / low
    59°15° / 37°3°
    Wind
    15 mph23 km/h, gusts 26 mph41 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Mostly cloudy. High 72°22°, low 48°9°. Typical 58°14° / 37°3°. Dry. Mostly agree. Best day outdoors this week.
    1. Morning

      6 AM–noon

      Partly sunny, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 49°9°

      Dry

    Official NWS forecast

    Day: Partly sunny, with a high near 72. Southeast wind around 3 mph.

    Night: Mostly cloudy, with a low around 48. Northeast wind 5 to 8 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    Best day outdoors this week: the one dry, mild day the forecasts agree on (high 72°22°).

    High, likely
    65°18°–72°22°
    Low, likely
    48°9°–52°11°
    Typical high / low
    58°14° / 37°3°
    Wind
    10 mph16 km/h, gusts 24 mph38 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 64°18°, low 47°8°. Typical 58°14° / 36°2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 64. East northeast wind 8 to 12 mph.

    Night: Mostly cloudy, with a low around 47.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–68°20°
    Low, likely
    47°8°–51°11°
    Typical high / low
    58°14° / 36°2°
    Wind
    13 mph21 km/h, gusts 26 mph42 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Showers. High 66°19°, low 51°11°. Typical 57°14° / 36°2°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 59°15°

      20% chance · 0.03 in0.6 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    Night: A chance of rain showers after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    64°18°–70°21°
    Low, likely
    51°11°–54°12°
    Typical high / low
    57°14° / 36°2°
    Wind
    14 mph23 km/h, gusts 28 mph45 km/h
    UV peak
    2
  5. Wednesday, Oct 28. Showers. High 69°21°, low 46°8°. Typical 57°14° / 35°2°. Rain 0.11 in2.8 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 59°15°

      20% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Mostly sunny, 69°21°

      20% chance · 0.02 in0.6 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 62°17°

      20% chance · 0.06 in1.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    Night: A chance of rain showers. Partly cloudy, with a low around 46. Chance of precipitation is 30%.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    68°20°–72°22°
    Low, likely
    46°8°–59°15°
    Typical high / low
    57°14° / 35°2°
    Wind
    16 mph25 km/h, gusts 35 mph56 km/h
    UV peak
    4
  6. Thursday, Oct 29. Showers. High 65°18°, low 46°8°. Typical 56°13° / 35°2°. Rain 0.2 in5.1 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 56°13°

      20% chance · 0.07 in1.7 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 52°11°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers. Mostly sunny, with a high near 65.

    Night: A chance of rain showers. Partly cloudy, with a low around 46. Chance of precipitation is 30%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    63°17°–71°22°
    Low, likely
    45°7°–58°14°
    Typical high / low
    56°13° / 35°2°
    Wind
    11 mph17 km/h, gusts 31 mph50 km/h
  7. Friday, Oct 30. Showers. High 64°18°, low 46°8°. Typical 56°13° / 34°1°. Rain 0.12 in3 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      30% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Partly sunny, 66°19°

      30% chance · 0.06 in1.6 mm

    3. Evening

      6 PM–midnight

      Drizzle, 63°17°

      30% chance

    4. Overnight

      midnight–6 AM

      Drizzle, 58°15°

      40% chance · 0.01 in0.4 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.

    Night: A chance of rain showers. Mostly cloudy, with a low around 46.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    57°14°–75°24°
    Low, likely
    42°6°–61°16°
    Typical high / low
    56°13° / 34°1°
    Wind
    14 mph23 km/h, gusts 30 mph48 km/h
  8. Saturday, Oct 31. Drizzle. High 66°19°, low 59°15°. Typical 55°13° / 34°1°. Rain 0.16 in4.1 mm, 60% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 60°15°

      50% chance

    2. Afternoon

      noon–6 PM

      Drizzle, 66°19°

      50% chance

    3. Evening

      6 PM–midnight

      Drizzle, 62°17°

      50% chance · 0.06 in1.6 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 60°16°

      50% chance · 0.04 in1 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–73°23°
    Low, likely
    52°11°–67°19°
    Typical high / low
    55°13° / 34°1°
    Wind
    17 mph27 km/h, gusts 36 mph58 km/h
    UV peak
    1
  9. Sunday, Nov 1. Showers. High 63°17°, low 53°12°. Typical 55°13° / 34°1°. Rain 0.47 in12 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 60°16°

      50% chance · 0.19 in4.8 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 62°17°

      30% chance · 0.25 in6.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 60°15°

      30% chance · 0.07 in1.9 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 52°11°

      30% chance · 0.12 in3 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    58°14°–67°19°
    Low, likely
    49°9°–59°15°
    Typical high / low
    55°13° / 34°1°
    Wind
    17 mph27 km/h, gusts 33 mph53 km/h
  10. Monday, Nov 2. Showers. High 59°15°, low 50°10°. Typical 54°12° / 33°1°. Rain 0.42 in11 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 51°11°

      30% chance · 0.12 in3.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 55°13°

      30% chance · 0.07 in1.8 mm

    3. Evening

      6 PM–midnight

      Drizzle, 55°13°

      30% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    56°13°–65°18°
    Low, likely
    45°7°–61°16°
    Typical high / low
    54°12° / 33°1°
    Wind
    26 mph42 km/h, gusts 45 mph72 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 76°, low 53°.

  2. Tomorrow

    Dry, high 72°, low 48°, cooling off.

  3. Monday

    Dry, high 64°, low 47°, cooling off.

  4. Rest of week

    Highs 59–69°; chance of precipitation on Friday, Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DMX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Cedar River at Janesville

0.2 mi
Below flood stage
Level
2.5 ft
Flow
1,700 cfs

Reading from Sat 8:45 AM · NWS gauge page

West Fork Cedar River at Finchford

4.3 mi
Below flood stage
Level
8.1 ft
Flow
771 cfs

Reading from Sat 8:45 AM · NWS gauge page

Cedar River at Waverly

6.3 mi
Below flood stage
Level
3.2 ft
Flow
7 cfs

Reading from Sat 9:15 AM · NWS gauge page

Cedar River at Cedar Falls

7.5 mi
Below flood stage
Level
81.0 ft
Flow
4,300 cfs

Reading from Sat 8:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 91% less heating than a typical week.

This week 12Typical 130

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 50°F).

Open the windows?

Today, 12:00 PM–12:00 AM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Waterloo Municipal Airport · official normals 1991–2020 · records 1895–2026

Oct 24, today vs a typical year

Today’s expected high is 17°9° warmer than typical.

Normal high / low
59°15° / 37°3°
Forecast high / low
76°24° / 53°12°
Record high
81°27° in 1899
Record low
19°−7° in 1896

Last 7 days vs normal

On average 7°4° warmer than normal (daily mean temperature).

  1. +3°+2°SunOct 18
  2. +3°+2°MonOct 19
  3. +3°+1°TueOct 20
  4. +9°+5°WedOct 21
  5. +12°+7°ThuOct 22
  6. +15°+8°FriOct 23
  7. —SatOct 24

Janesville weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:33 AM, sunset 6:13 PM.

Daylight
10 h 40 min
Losing 2 min 39 s a day; shortest Dec 21, 1 h 37 min less
Golden hour
5:34–6:31 PM
Morning 7:16–8:13 AM
Blue hour
6:31–6:42 PM
Morning 7:05–7:16 AM; first light 7:05 AM

Stars tonight? Poor

Clouds most of the night (about 72% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:47 AM · rises 5:12 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Janesville. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.