Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

75°F

24°C

Humidity 83%
Wind Speed S 13 mph
Barometer 29.74 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 May 11:15 pm CDT
Extended Forecast for

Monticello Municipal IA

Severe T-storm Watch until May 18, 04:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until May 18, 04:00am

    NOW until 4:00am Mon

    Severe T-storm Watch

  • Overnight

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am.  Low around 61. South wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am.  Partly sunny, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

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

    Low: 44 °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

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 61. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Partly sunny, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 71.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello Municipal IA
 42.23°N 91.15°W (Elev. 840 ft)
11:16 pm CDT May 17, 2026
12am CDT May 18, 2026-6pm CDT May 24, 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