Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

A Few Clouds

74°F

23°C

Humidity 71%
Wind Speed S 10 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 May 5:52 pm CDT
Extended Forecast for

4 Miles N West Branch IA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am.  Mostly cloudy, with a steady temperature around 65. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Northeast wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely.  Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a steady temperature around 65. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 45. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 64. Northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 48.
Friday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 59.
Memorial Day
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N West Branch IA
 41.73°N 91.34°W (Elev. 751 ft)
5:16 pm CDT May 18, 2026
6pm CDT May 18, 2026-6pm CDT May 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database