Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

81°F

27°C

Humidity 51%
Wind Speed SE 7 mph
Barometer 29.78 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 May 7:15 pm CDT
Extended Forecast for

Onslow IA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 7am.  Mostly cloudy, with a high near 86. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%.

    High: 86 °F

    T-storms
    Likely then
    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy
    then Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 83. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 64. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph.
Sunday
Showers and thunderstorms likely, mainly before 7am. Mostly cloudy, with a high near 86. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Showers and possibly a thunderstorm. High near 83. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Onslow IA
 42.11°N 91.01°W (Elev. 863 ft)
7:21 pm CDT May 16, 2026
7pm CDT May 16, 2026-6pm CDT May 23, 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