Clear Lake at Clear Lake
9.7 mi- Level
- 4.6 ft
Reading from Sat 12 PM · NWS gauge page
Observed 12:45 PM CDT at KMCW
Fertile, IA weather
Sunny and 75°24°, 20°11° warmer than a typical Oct 24.
Today: low 48°9° (likely 48°9° to 56°13°), high 76°24° (likely 74°23° to 76°24°).
Now 75°24°
Sunny
- Wind
- 16 mph26 km/h
- From the south. Easing to 6 mph10 km/h by 6 PM
- Dew point
- 48°9°
- Comfortable
- UV index
- 3Moderate
- Moderate until 3 PM
- Pressure
- 30.19 inHg1022 hPa
- Falling slowly · −0.03 inHg−1.0 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
7°4° warmer than this time yesterday (66°19° then, 73°23° now)
Good hours for
This afternoonNear 74°23° · Partly cloudy
TonightDown to 50°10° by 5 AM · Mostly cloudy
Tomorrow morningUp to 59°15° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 62°17° · Mostly cloudy
Tomorrow nightDown to 44°7° by 5 AM · Mostly cloudy
Monday morningUp to 53°12° by 11 AM · rain chance 20% · Cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 1p | Sunny | 73°23° (likely 72°22° to 75°24°) | 73°23° | 0% | 14 mph23 km/h from S, gusts 24 mph39 km/h | 43% | 23% | 3 |
| Sat 2p | Sunny | 75°24° (likely 73°23° to 76°24°) | 75°24° | 0% | 13 mph21 km/h from SSW, gusts 21 mph34 km/h | 40% | 30% | 3 |
| Sat 3p | Partly sunny | 76°24° (likely 74°23° to 76°24°) | 76°24° | 0% | 13 mph21 km/h from SSW, gusts 19 mph31 km/h | 40% | 65% | 2 |
| Sat 4p | Sunny | 76°24° (likely 73°23° to 76°24°) | 76°24° | 0% | 12 mph19 km/h from SSW, gusts 19 mph30 km/h | 39% | 35% | 1 |
| Sat 5p | Mostly sunny | 75°24° (likely 71°22° to 75°24°) | 75°24° | 0% | 8 mph13 km/h from SSW, gusts 17 mph28 km/h | 40% | 43% | 1 |
| Sat 6p | Cloudy | 71°22° (likely 67°19° to 72°22°) | 71°22° | 0% | 6 mph10 km/h from SSW, gusts 13 mph21 km/h | 46% | 73% | 0 |
| Sat 7p | Cloudy | 66°19° (likely 63°17° to 69°21°) | 66°19° | 0% | 5 mph8 km/h from WSW, gusts 10 mph17 km/h | 54% | 83% | 0 |
| Sat 8p | Mostly cloudy | 61°16° (likely 60°16° to 65°18°) | 61°16° | 5% | 5 mph8 km/h from NW, gusts 11 mph18 km/h | 67% | 57% | 0 |
| Sat 9p | Cloudy | 60°16° (likely 57°14° to 62°17°) | 60°16° | 5% | 5 mph8 km/h from NNW, gusts 15 mph24 km/h | 72% | 91% | 0 |
| Sat 10p | Cloudy | 58°14° (likely 55°13° to 59°15°) | 58°14° | 5% | 5 mph8 km/h from NNW, gusts 16 mph26 km/h | 77% | 90% | 0 |
| Sat 11p | Cloudy | 56°13° (likely 53°12° to 56°13°) | 56°13° | 5% | 5 mph8 km/h from N, gusts 14 mph23 km/h | 80% | 81% | 0 |
| Sun 12a | Cloudy | 55°13° (likely 53°12° to 55°13°) | 55°13° | 5% | 5 mph8 km/h from N, gusts 13 mph21 km/h | 83% | 82% | 0 |
| Sun 1a | Cloudy | 54°12° (likely 52°11° to 54°12°) | 54°12° | 5% | 3 mph5 km/h from N, gusts 12 mph19 km/h | 83% | 82% | 0 |
| Sun 2a | Cloudy | 53°12° (likely 51°11° to 54°12°) | 53°12° | 10% | 3 mph5 km/h from N, gusts 12 mph19 km/h | 83% | 82% | 0 |
| Sun 3a | Cloudy | 52°11° (likely 50°10° to 54°12°) | 52°11° | 5% | 3 mph5 km/h from N, gusts 13 mph20 km/h | 83% | 80% | 0 |
| Sun 4a | Cloudy | 52°11° (likely 50°10° to 53°12°) | 52°11° | 5% | 5 mph8 km/h from N, gusts 12 mph19 km/h | 83% | 81% | 0 |
| Sun 5a | Cloudy | 50°10° (likely 50°10° to 52°11°) | 48°9° | 5% | 5 mph8 km/h from N, gusts 13 mph21 km/h | 86% | 91% | 0 |
| Sun 6a | Cloudy | 50°10° (likely 49°9° to 51°11°) | 48°9° | 10% | 5 mph8 km/h from NNE, gusts 13 mph21 km/h | 86% | 92% | 0 |
| Sun 7a | Cloudy | 50°10° (likely 49°9° to 51°11°) | 48°9° | 5% | 3 mph5 km/h from NNE, gusts 13 mph21 km/h | 83% | 90% | 0 |
| Sun 8a | Cloudy | 49°9° (likely 49°9° to 51°11°) | 47°8° | 5% | 5 mph8 km/h from NNE, gusts 12 mph20 km/h | 86% | 89% | 0 |
| Sun 9a | Cloudy | 51°11° (likely 50°10° to 52°11°) | 51°11° | 10% | 5 mph8 km/h from NE, gusts 13 mph22 km/h | 80% | 77% | 0 |
| Sun 10a | Cloudy | 56°13° (likely 51°11° to 56°13°) | 56°13° | 5% | 6 mph10 km/h from NE, gusts 15 mph23 km/h | 66% | 76% | 1 |
| Sun 11a | Cloudy | 59°15° (likely 53°12° to 59°15°) | 59°15° | 5% | 6 mph10 km/h from NE, gusts 14 mph22 km/h | 57% | 77% | 2 |
| Sun 12p | Cloudy | 61°16° (likely 56°13° to 62°17°) | 61°16° | 5% | 6 mph10 km/h from NE, gusts 13 mph21 km/h | 53% | 71% | 3 |
| Sun 1p | Cloudy | 62°17° (likely 56°13° to 65°18°) | 62°17° | 5% | 6 mph10 km/h from NE, gusts 12 mph20 km/h | 52% | 71% | 4 |
| Sun 2p | Cloudy | 63°17° (likely 58°14° to 67°19°) | 63°17° | 5% | 7 mph11 km/h from NE, gusts 12 mph19 km/h | 50% | 74% | 4 |
| Sun 3p | Cloudy | 63°17° (likely 58°14° to 67°19°) | 63°17° | 5% | 7 mph11 km/h from NNE, gusts 13 mph21 km/h | 48% | 78% | 3 |
| Sun 4p | Cloudy | 64°18° (likely 57°14° to 67°19°) | 64°18° | 5% | 7 mph11 km/h from NNE, gusts 15 mph24 km/h | 45% | 77% | 2 |
| Sun 5p | Cloudy | 62°17° (likely 56°13° to 65°18°) | 62°17° | 5% | 8 mph13 km/h from NNE, gusts 17 mph27 km/h | 46% | 78% | 1 |
| Sun 6p | Cloudy | 61°16° (likely 54°12° to 61°16°) | 61°16° | 5% | 8 mph13 km/h from NNE, gusts 18 mph29 km/h | 44% | 76% | 0 |
| Sun 7p | Cloudy | 57°14° (likely 52°11° to 57°14°) | 57°14° | 0% | 8 mph13 km/h from NE, gusts 18 mph29 km/h | 51% | 75% | 0 |
| Sun 8p | Cloudy | 53°12° (likely 51°11° to 54°12°) | 53°12° | 0% | 8 mph13 km/h from NNE, gusts 18 mph29 km/h | 57% | 76% | 0 |
| Sun 9p | Cloudy | 50°10° (likely 49°9° to 53°12°) | 47°8° | 0% | 7 mph11 km/h from NNE, gusts 20 mph32 km/h | 61% | 75% | 0 |
| Sun 10p | Cloudy | 49°9° (likely 48°9° to 52°11°) | 47°8° | 0% | 7 mph11 km/h from NNE, gusts 19 mph30 km/h | 63% | 93% | 0 |
| Sun 11p | Cloudy | 48°9° (likely 48°9° to 51°11°) | 45°7° | 5% | 7 mph11 km/h from NE, gusts 19 mph30 km/h | 65% | 79% | 0 |
| Mon 12a | Cloudy | 48°9° (likely 47°8° to 51°11°) | 45°7° | 0% | 6 mph10 km/h from NE, gusts 19 mph30 km/h | 63% | 82% | 0 |
| Mon 1a | Cloudy | 48°9° (likely 47°8° to 50°10°) | 45°7° | 0% | 6 mph10 km/h from NE, gusts 21 mph34 km/h | 58% | 86% | 0 |
| Mon 2a | Cloudy | 47°8° (likely 47°8° to 50°10°) | 44°7° | 0% | 6 mph10 km/h from NE, gusts 19 mph31 km/h | 60% | 91% | 0 |
| Mon 3a | Cloudy | 46°8° (likely 46°8° to 50°10°) | 42°6° | 0% | 7 mph11 km/h from NE, gusts 20 mph32 km/h | 63% | 89% | 0 |
| Mon 4a | Cloudy | 45°7° (likely 45°7° to 50°10°) | 41°5° | 5% | 7 mph11 km/h from NE, gusts 21 mph34 km/h | 65% | 98% | 0 |
| Mon 5a | Cloudy | 44°7° (likely 44°7° to 50°10°) | 40°4° | 5% | 7 mph11 km/h from NE, gusts 20 mph32 km/h | 68% | 99% | 0 |
| Mon 6a | Cloudy | 42°6° (likely 42°6° to 50°10°) | 38°3° | 10% | 7 mph11 km/h from NE, gusts 21 mph34 km/h | 73% | 98% | 0 |
| Mon 7a | Cloudy | 42°6° (likely 42°6° to 50°10°) | 38°3° | 20% | 7 mph11 km/h from NE, gusts 20 mph33 km/h | 73% | 98% | 0 |
| Mon 8a | Cloudy | 45°7° (likely 45°7° to 52°11°) | 41°5° | 20% | 7 mph11 km/h from ENE, gusts 18 mph28 km/h | 68% | 99% | 0 |
| Mon 9a | Cloudy | 48°9° (likely 48°9° to 53°12°) | 44°7° | 20% | 8 mph13 km/h from ENE, gusts 18 mph30 km/h | 65% | 97% | 0 |
| Mon 10a | Cloudy | 51°11° (likely 50°10° to 55°13°) | 51°11° | 20% | 8 mph13 km/h from ENE, gusts 19 mph30 km/h | 63% | 99% | 1 |
| Mon 11a | Cloudy | 53°12° (likely 52°11° to 57°14°) | 53°12° | 20% | 8 mph13 km/h from E, gusts 20 mph32 km/h | 61% | 96% | 2 |
| Mon 12p | Cloudy | 55°13° (likely 53°12° to 59°15°) | 55°13° | 20% | 9 mph14 km/h from E, gusts 19 mph31 km/h | 59% | 96% | 2 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 76°24°, low 48°9°. Typical 56°13° / 33°1°. Dry. Forecasts agree.
Afternoon
noon–6 PM
Partly sunny, 76°24°Dry
Evening
6 PM–midnight
Cloudy, 61°16°Dry
Overnight
midnight–6 AM
Cloudy, 50°10°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 76. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight: Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. Northwest wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 74°23°–76°24°
- Low, likely
- 48°9°–56°13°
- Typical high / low
- 56°13° / 33°1°
- Wind
- 17 mph27 km/h, gusts 30 mph47 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 64°18°, low 41°5°. Typical 55°13° / 33°1°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 49°9°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°Dry
Evening
6 PM–midnight
Cloudy, 53°12°Dry
Overnight
midnight–6 AM
Cloudy, 44°7°Dry
Official NWS forecast
Day: Partly sunny. High near 64, with temperatures falling to around 62 in the afternoon. North northeast wind 3 to 8 mph.
Night: Mostly cloudy. Low around 41, with temperatures rising to around 44 overnight. Northeast wind around 8 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 58°14°–67°19°
- Low, likely
- 41°5°–50°10°
- Typical high / low
- 55°13° / 33°1°
- Wind
- 13 mph20 km/h, gusts 25 mph40 km/h
- UV peak
- 4
Monday, Oct 26. Showers. High 58°14°, low 42°6°. Typical 54°12° / 33°1°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 45°7°20% chance
Afternoon
noon–6 PM
Cloudy, 61°16°20% chance
Evening
6 PM–midnight
Cloudy, 56°13°Dry
Overnight
midnight–6 AM
Cloudy, 55°13°Dry
Official NWS forecast
Day: A slight chance of rain showers between 7am and 1pm. Mostly cloudy, with a high near 58. East northeast wind around 9 mph. Chance of precipitation is 20%.
Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 58°14°–63°17°
- Low, likely
- 42°6°–49°9°
- Typical high / low
- 54°12° / 33°1°
- Wind
- 15 mph25 km/h, gusts 29 mph47 km/h
- UV peak
- 3
Tuesday, Oct 27. Showers. High 64°18°, low 48°9°. Typical 54°12° / 32°0°. Rain 0.06 in1.5 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 55°13°Dry
Afternoon
noon–6 PM
Drizzle, 67°20°Dry
Evening
6 PM–midnight
Drizzle, 62°16°Dry
Overnight
midnight–6 AM
Cloudy, 58°14°20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 64°18°–70°21°
- Low, likely
- 48°9°–56°13°
- Typical high / low
- 54°12° / 32°0°
- Wind
- 21 mph33 km/h, gusts 33 mph53 km/h
- UV peak
- 3
Wednesday, Oct 28. Showers. High 67°19°, low 41°5°. Typical 53°12° / 32°0°. Rain 0.19 in4.8 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Sunny, 57°14°20% chance
Afternoon
noon–6 PM
Sunny, 70°21°Dry
Evening
6 PM–midnight
Drizzle, 62°17°Dry
Overnight
midnight–6 AM
Cloudy, 54°12°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 67. Chance of precipitation is 40%.
Night: A slight chance of rain showers before 1am. Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 67°19°–72°22°
- Low, likely
- 41°5°–56°13°
- Typical high / low
- 53°12° / 32°0°
- Wind
- 16 mph25 km/h, gusts 37 mph59 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 63°17°, low 42°6°. Typical 53°12° / 31°−1°. Dry. Mostly agree. Best day outdoors this week.
Morning
6 AM–noon
Sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 67°19°Dry
Evening
6 PM–midnight
Clear, 58°14°Dry
Overnight
midnight–6 AM
Drizzle, 53°12°30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 63.
Night: A chance of rain showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
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 63°17°).
- High, likely
- 63°17°–69°21°
- Low, likely
- 42°6°–51°11°
- Typical high / low
- 53°12° / 31°−1°
- Wind
- 14 mph22 km/h, gusts 33 mph53 km/h
- UV peak
- 3
Friday, Oct 30. Showers. High 63°17°, low 43°6°. Typical 52°11° / 31°−1°. Rain 0.21 in5.3 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 58°14°30% chance · 0.04 in1 mm
Afternoon
noon–6 PM
Cloudy, 71°21°20% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
Drizzle, 67°19°30% chance · 0.11 in2.7 mm
Overnight
midnight–6 AM
Drizzle, 60°15°50% chance · 0.13 in3.4 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 63. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 63°17°–75°24°
- Low, likely
- 43°6°–63°17°
- Typical high / low
- 52°11° / 31°−1°
- Wind
- 23 mph37 km/h, gusts 37 mph60 km/h
- UV peak
- 1
Saturday, Oct 31. Rain. High 66°19°, low 58°14°. Typical 52°11° / 31°−1°. Rain 0.51 in13 mm, 60% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 60°16°50% chance · 0.14 in3.4 mm
Afternoon
noon–6 PM
Drizzle, 66°19°50% chance · 0.03 in0.8 mm
Evening
6 PM–midnight
Drizzle, 60°15°60% chance · 0.18 in4.5 mm
Overnight
midnight–6 AM
Drizzle, 58°15°60% chance · 0.23 in5.9 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
- 64°18°–69°21°
- Low, likely
- 55°13°–60°16°
- Typical high / low
- 52°11° / 31°−1°
- Wind
- 18 mph29 km/h, gusts 39 mph63 km/h
- UV peak
- 2
Sunday, Nov 1. Rain. High 59°15°, low 47°8°. Typical 51°11° / 30°−1°. Rain 0.38 in9.7 mm, 60% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 57°14°40% chance · 0.04 in1.1 mm
Afternoon
noon–6 PM
Drizzle, 56°13°40% chance · 0.06 in1.6 mm
Evening
6 PM–midnight
Drizzle, 49°10°30% chance · 0.08 in2 mm
Overnight
midnight–6 AM
Snow, 44°7°20% chance · 0.09 in2.2 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
- 55°13°–66°19°
- Low, likely
- 40°4°–58°14°
- Typical high / low
- 51°11° / 30°−1°
- Wind
- 21 mph34 km/h, gusts 30 mph49 km/h
- UV peak
- 2
Monday, Nov 2. Snow. High 54°12°, low 43°6°. Typical 51°11° / 30°−1°. Snow 0.21 in5.3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 45°7°20% chance · 0.06 in1.6 mm
Afternoon
noon–6 PM
Cloudy, 53°12°30% chance · 0.05 in1.2 mm
Evening
6 PM–midnight
Cloudy, 52°11°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
- 49°9°–64°18°
- Low, likely
- 33°1°–60°16°
- Typical high / low
- 51°11° / 30°−1°
- Wind
- 28 mph45 km/h, gusts 46 mph74 km/h
The outlook
Today
Dry, high 76°, low 48°.
Tomorrow
Dry, high 64°, low 41°, cooling off.
Monday
Dry, high 58°, low 42°, cooling off.
Rest of week
Highs 54–67°; chance of precipitation on 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
Rivers
NOAA river gauges within 25 mi
Willow Creek at Mason City US 18 Bus
11 mi- Level
- 85.8 ft
Reading from Sat 11:45 AM · NWS gauge page
Spring Creek near Mason City US 65
11 mi- Level
- 80.8 ft
- Flow
- 18 cfs
Reading from Sat 11:45 AM · NWS gauge page
Winnebago River at Mason City
13 mi- Level
- 5.3 ft
- Flow
- 272 cfs
Reading from Sat 12:15 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 87% less heating than a typical week.
This week 21Typical 154
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 7
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 48°F).
Open the windows?
Today, 2:00 PM–9:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Is this typical?
Mason City Municipal Airport · official normals 1991–2020 · records 1948–2026
Oct 24, today vs a typical year
Today’s expected high is 20°11° warmer than typical.
- Normal high / low
- 56°13° / 33°1°
- Forecast high / low
- 76°24° / 48°9°
- Record high
- 79°26° in 1963
- Record low
- 15°−9° in 2020
Last 7 days vs normal
On average 9°5° warmer than normal (daily mean temperature).
- +6°+3°SunOct 18
- +5°+3°MonOct 19
- +5°+3°TueOct 20
- +12°+7°WedOct 21
- +15°+8°ThuOct 22
- +14°+8°FriOct 23
- —SatOct 24
Fertile weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:38 AM, sunset 6:16 PM.
- Daylight
- 10 h 38 min
- Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
- Golden hour
- 5:36–6:34 PM
- Morning 7:20–8:18 AM
- Blue hour
- 6:34–6:45 PM
- Morning 7:09–7:20 AM; first light 7:09 AM
Stars tonight? Poor
Clouds most of the night (about 83% cover).
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:51 AM · rises 5:15 PM
- Full moon
- Oct 25
- New moon
- Nov 9
