National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Pleasant, Mount Pleasant Municipal Airport (KMPZ)

Lat: 40.95°NLon: 91.51°WElev: 735ft.

Fog

50°F

10°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.71 in
Dewpoint 50°F (10°C)
Visibility 0.50 mi
Wind Chill46°F (8°C)
Last update 26 Dec 12:15 am CST
Extended Forecast for

Pilot Grove IA

Dense Fog Advisory December 26, 12:32am until December 26, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 12:32am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 49 °F

    Patchy
    Drizzle and
    Dense Fog

  • Friday

    Friday: Widespread dense fog before 11am. Otherwise, mostly cloudy, with a steady temperature around 50. Northwest wind 5 to 10 mph.

    High: 50 °F

    Dense Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Calm wind becoming southeast around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 46.

    Low: 46 °F

    Cloudy

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Overnight
Patchy drizzle before 2am. Widespread dense fog. Otherwise, cloudy, with a steady temperature around 49. Southeast wind 5 to 10 mph becoming west.
Friday
Widespread dense fog before 11am. Otherwise, mostly cloudy, with a steady temperature around 50. Northwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 38. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 16.
New Year's Day
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pilot Grove IA
 40.77°N 91.52°W (Elev. 699 ft)
Last Update:
11:36 pm CST Dec 25, 2025
Forecast Valid:
12am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation