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Observed 8:45 AM EDT at KHNB

Alton, IN weather

Sunny and 45°7°.

Today: low 42°6° (likely 42°6° to 48°9°), high 75°24° (likely 72°22° to 75°24°).

Mostly agree

Now 45°7°

Sunny · Feels like 41°5°

Wind
6 mph9 km/h
From the northeast. Up to 6 mph9 km/h through 9 PM
Dew point
45°7°
Comfortable
Humidity
100%
Air 45°7°, dew point 45°7° · fog or dew likely
UV index
1Low
Moderate 11 AM–4 PM · peak 4
Air quality
24Good
Main pollutant: Ozone
Pressure
30.39 inHg1029 hPa
Rising · +0.05 inHg+1.7 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (44°7° then, 46°8° now)

Good hours for
  • Above 60°16° today by 11 AM
  • Drops 13°7° tonight 7–10 PM (68°20° → 55°13°)
  • Below 60°16° tonight after 9 PM
  • Fog tonight 2–3 AM
  • Drops 14°8° tomorrow night 6–9 PM (74°23° → 60°16°)
  1. This morningUp to 60°16° by 11 AM · Clear
  2. This afternoonUp to 74°23° by 5 PM · Clear
  3. TonightDown to 44°7° by 5 AM · Partly cloudy
  4. Tomorrow morningUp to 63°17° by 11 AM · Clear
  5. Tomorrow afternoonUp to 77°25° by 4 PM · Partly cloudy
  6. Tomorrow nightDown to 45°7° by 5 AM · Partly cloudy
  7. Monday morningNear 43°6° · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 9aSunny48°9° (likely 45°7° to 51°11°)48°9°0%2 mph3 km/h from E, gusts 6 mph9 km/h89%15%1
Sat 10aSunny54°12° (likely 54°12° to 56°13°)54°12°0%2 mph3 km/h from E, gusts 7 mph11 km/h80%3%2
Sat 11aSunny60°16° (likely 59°15° to 62°17°)60°16°0%3 mph5 km/h from E, gusts 8 mph14 km/h69%5%3
Sat 12pSunny65°18° (likely 64°18° to 67°19°)65°18°0%3 mph5 km/h from SE, gusts 8 mph12 km/h56%5%4
Sat 1pSunny69°21° (likely 67°19° to 70°21°)69°21°0%3 mph5 km/h from E, gusts 8 mph12 km/h45%6%4
Sat 2pSunny72°22° (likely 70°21° to 72°22°)72°22°0%2 mph3 km/h from E, gusts 7 mph11 km/h41%8%4
Sat 3pSunny73°23° (likely 71°22° to 74°23°)73°23°0%2 mph3 km/h from E, gusts 7 mph10 km/h40%9%3
Sat 4pPartly sunny73°23° (likely 72°22° to 74°23°)73°23°0%1 mph2 km/h from E, gusts 6 mph10 km/h38%50%1
Sat 5pPartly sunny74°23° (likely 71°22° to 74°23°)74°23°0%1 mph2 km/h from E, gusts 6 mph9 km/h35%47%0
Sat 6pPartly sunny73°23° (likely 69°21° to 73°23°)73°23°0%1 mph2 km/h from E, gusts 5 mph8 km/h41%61%0
Sat 7pCloudy68°20° (likely 64°18° to 68°20°)68°20°0%1 mph2 km/h from E, gusts 4 mph7 km/h49%62%0
Sat 8pCloudy62°17° (likely 61°16° to 62°17°)62°17°0%1 mph2 km/h from E, gusts 5 mph8 km/h62%70%0
Sat 9pCloudy55°13° (likely 55°13° to 60°16°)55°13°0%1 mph2 km/h from E, gusts 5 mph8 km/h77%59%0
Sat 10pPartly cloudy53°12° (likely 53°12° to 58°14°)53°12°0%1 mph2 km/h from E, gusts 5 mph8 km/h83%52%0
Sat 11pPartly cloudy51°11° (likely 51°11° to 56°13°)51°11°0%1 mph2 km/h from E, gusts 5 mph8 km/h89%48%0
Sun 12aCloudy49°9° (likely 49°9° to 55°13°)49°9°0%0 mph0 km/h, gusts 4 mph7 km/h93%62%0
Sun 1aPartly cloudy48°9° (likely 48°9° to 54°12°)48°9°0%0 mph0 km/h, gusts 4 mph6 km/h93%59%0
Sun 2aFog47°8° (likely 47°8° to 53°12°)47°8°0%0 mph0 km/h, gusts 4 mph7 km/h93%55%0
Sun 3aClear46°8° (likely 46°8° to 52°11°)46°8°0%0 mph0 km/h, gusts 3 mph5 km/h96%4%0
Sun 4aClear45°7° (likely 45°7° to 51°11°)45°7°0%0 mph0 km/h, gusts 3 mph5 km/h96%1%0
Sun 5aClear44°7° (likely 44°7° to 50°10°)44°7°0%0 mph0 km/h, gusts 3 mph5 km/h100%15%0
Sun 6aClear43°6° (likely 43°6° to 49°9°)43°6°0%0 mph0 km/h, gusts 3 mph5 km/h100%29%0
Sun 7aMostly clear43°6° (likely 43°6° to 48°9°)43°6°0%0 mph0 km/h, gusts 4 mph7 km/h100%14%0
Sun 8aSunny42°6° (likely 42°6° to 48°9°)42°6°0%0 mph0 km/h, gusts 4 mph7 km/h100%7%0
Sun 9aSunny45°7° (likely 45°7° to 51°11°)45°7°0%0 mph0 km/h, gusts 4 mph7 km/h100%9%0
Sun 10aSunny55°13° (likely 55°13° to 58°14°)55°13°0%0 mph0 km/h, gusts 3 mph5 km/h83%1%1
Sun 11aSunny63°17° (likely 60°16° to 65°18°)63°17°0%1 mph2 km/h from SE, gusts 6 mph9 km/h65%36%2
Sun 12pSunny69°21° (likely 66°19° to 71°22°)69°21°0%1 mph2 km/h from SE, gusts 7 mph11 km/h51%22%3
Sun 1pMostly sunny73°23° (likely 70°21° to 74°23°)73°23°0%1 mph2 km/h from S, gusts 6 mph10 km/h43%12%4
Sun 2pMostly sunny75°24° (likely 72°22° to 76°24°)75°24°0%1 mph2 km/h from S, gusts 4 mph7 km/h40%21%5
Sun 3pSunny75°24° (likely 74°23° to 77°25°)75°24°0%1 mph2 km/h from S, gusts 3 mph6 km/h40%55%4
Sun 4pSunny77°25° (likely 74°23° to 77°25°)77°25°0%0 mph0 km/h, gusts 3 mph4 km/h36%61%3
Sun 5pCloudy75°24° (likely 74°23° to 76°24°)75°24°0%0 mph0 km/h, gusts 2 mph3 km/h37%68%2
Sun 6pMostly sunny74°23° (likely 71°22° to 74°23°)74°23°0%0 mph0 km/h, gusts 2 mph3 km/h43%60%1
Sun 7pMostly clear69°21° (likely 65°18° to 69°21°)69°21°0%0 mph0 km/h, gusts 4 mph7 km/h51%47%0
Sun 8pClear60°16° (likely 60°16° to 65°18°)60°16°0%0 mph0 km/h, gusts 5 mph7 km/h69%43%0
Sun 9pClear56°13° (likely 56°13° to 62°17°)56°13°0%0 mph0 km/h, gusts 3 mph4 km/h80%24%0
Sun 10pClear54°12° (likely 54°12° to 60°16°)54°12°0%0 mph0 km/h, gusts 2 mph3 km/h86%3%0
Sun 11pClear52°11° (likely 52°11° to 58°14°)52°11°0%0 mph0 km/h, gusts 2 mph3 km/h93%5%0
Mon 12aClear50°10° (likely 50°10° to 57°14°)50°10°0%0 mph0 km/h, gusts 2 mph3 km/h96%10%0
Mon 1aMostly clear49°9° (likely 49°9° to 56°13°)49°9°0%0 mph0 km/h, gusts 2 mph3 km/h96%39%0
Mon 2aPartly cloudy48°9° (likely 48°9° to 55°13°)48°9°0%0 mph0 km/h, gusts 2 mph3 km/h96%42%0
Mon 3aPartly cloudy47°8° (likely 47°8° to 55°13°)47°8°0%0 mph0 km/h, gusts 1 mph2 km/h96%48%0
Mon 4aPartly cloudy46°8° (likely 46°8° to 54°12°)46°8°0%0 mph0 km/h, gusts 1 mph2 km/h100%32%0
Mon 5aPartly cloudy45°7° (likely 45°7° to 54°12°)45°7°0%0 mph0 km/h, gusts 2 mph3 km/h100%50%0
Mon 6aPartly cloudy43°6° (likely 43°6° to 54°12°)43°6°0%0 mph0 km/h, gusts 2 mph3 km/h100%51%0
Mon 7aPartly cloudy42°6° (likely 42°6° to 53°12°)42°6°0%0 mph0 km/h, gusts 1 mph2 km/h100%55%0
Mon 8aPartly sunny43°6° (likely 43°6° to 53°12°)43°6°0%0 mph0 km/h, gusts 1 mph2 km/h100%39%0

Days ahead

Tap a day for its hours and the official wording.
  1. Today, Oct 24. Cloudy. High 75°24°, low 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 60°16°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 44°7°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 75. East wind around 3 mph.

    Tonight: Patchy fog after 2am. Partly cloudy, with a low around 42. East wind around 1 mph.

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

    High, likely
    72°22°–75°24°
    Low, likely
    42°6°–48°9°
    Wind
    7 mph11 km/h, gusts 12 mph20 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 77°25°, low 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 42°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 45°7°

      Dry

    Official NWS forecast

    Day: Patchy fog before 9am. Sunny, with a high near 77. Southeast wind around 1 mph.

    Night: Mostly clear, with a low around 42. Wind around 0 mph.

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

    High, likely
    74°23°–77°25°
    Low, likely
    42°6°–48°9°
    Wind
    5 mph9 km/h
    UV peak
    5
  3. Monday, Oct 26. Partly sunny. High 76°24°, low 44°7°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 76. West wind around 1 mph.

    Night: Partly cloudy, with a low around 44.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    74°23°–76°24°
    Low, likely
    44°7°–51°11°
    Wind
    4 mph7 km/h, gusts 10 mph17 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly cloudy. High 75°24°, low 47°8°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 75.

    Night: Mostly cloudy, with a low around 47.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    73°23°–76°24°
    Low, likely
    47°8°–52°11°
    Wind
    5 mph8 km/h, gusts 15 mph24 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 77°25°, low 47°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 53°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 77.

    Night: Mostly clear, with a low around 47.

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

    High, likely
    72°22°–77°25°
    Low, likely
    47°8°–54°12°
    Wind
    8 mph13 km/h, gusts 19 mph31 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 76°24°, low 45°7°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 76.

    Night: Mostly clear, with a low around 45.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    75°24°–77°25°
    Low, likely
    45°7°–53°12°
    Wind
    6 mph10 km/h, gusts 19 mph31 km/h
    UV peak
    4
  7. Friday, Oct 30. Cloudy. High 76°24°, low 48°9°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 78°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 58°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 76.

    Night: Partly cloudy, with a low around 48.

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

    High, likely
    76°24°–79°26°
    Low, likely
    47°8°–53°12°
    Wind
    6 mph9 km/h, gusts 13 mph21 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 75°24°, low 58°14°. Rain 0.07 in1.8 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 58°14°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      20% chance · 0.02 in0.5 mm

    4. Overnight

      midnight–6 AM

      Cloudy, 63°17°

      30% chance

    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.

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

    High, likely
    72°22°–78°26°
    Low, likely
    56°13°–60°16°
    Wind
    9 mph14 km/h, gusts 21 mph34 km/h
    UV peak
    3
  9. Sunday, Nov 1. Rain. High 72°22°, low 62°17°. Rain 0.38 in9.7 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      40% chance · 0.07 in1.7 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 72°22°

      40% chance · 0.08 in2 mm

    3. Evening

      6 PM–midnight

      Drizzle, 65°18°

      40% chance · 0.25 in6.3 mm

    4. Overnight

      midnight–6 AM

      Rain, 64°18°

      40% chance · 0.2 in5.1 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.

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

    High, likely
    68°20°–75°24°
    Low, likely
    59°15°–65°18°
    Wind
    13 mph21 km/h, gusts 31 mph50 km/h
    UV peak
    3
  10. Monday, Nov 2. Rain. High 68°20°, low 58°14°. Rain 0.37 in9.4 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 63°17°

      40% chance · 0.17 in4.4 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 67°19°

      40% chance · 0.34 in8.6 mm

    3. Evening

      6 PM–midnight

      Partly cloudy, 60°15°

      40% chance · 0.11 in2.7 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
    59°15°–75°24°
    Low, likely
    47°8°–65°18°
    Wind
    16 mph26 km/h, gusts 39 mph63 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 75°, low 42°.

  2. Tomorrow

    Dry, high 77°, low 42°.

  3. Monday

    Dry, high 76°, low 44°.

  4. Rest of week

    Highs 68–77°; chance of precipitation on Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LMK) (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

Ohio River at Cannelton Lock and Dam

22 mi
Below flood stage
Level
11.8 ft

Forecast peak 12.1 ft Sat 8 PM

Reading from Sat 7 AM · NWS gauge page

Blue River (IN) at White Cloud

13 mi
Level
1.9 ft

Reading from Sat 7:15 AM · NWS gauge page

Middle Fork Anderson River at Bristow

17 mi
Level
4.7 ft

Reading from Sat 7:30 AM · NWS gauge page

Buck Creek (S IN) near New Middletown

18 mi
Level
0.9 ft

Reading from Sat 7:15 AM · NWS gauge page

Sun & moon

Sun

Sunrise 8:03 AM, sunset 6:55 PM.

Daylight
10 h 52 min
Losing 2 min 21 s a day; shortest Dec 21, 1 h 21 min less
Golden hour
6:19–7:12 PM
Morning 7:46–8:39 AM
Blue hour
7:12–7:22 PM
Morning 7:36–7:46 AM; first light 7:36 AM

Stars tonight? Fair

Mostly clear 3–6 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today
sets 6:18 AM · rises 5:52 PM
Full moon
Oct 26
New moon
Nov 9
Looking west from Alton.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.