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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

68°F

20°C

Humidity 100%
Wind Speed Vrbl 5 G 13 mph
Barometer 30.19 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Sep 4:35 pm CDT
Extended Forecast for

Clarence IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 77. North wind around 5 mph.

    High: 77 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Northeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 77. North wind around 5 mph.
Tonight
Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Friday
Showers likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 81. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 1pm. Cloudy, with a high near 64. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarence IA
 41.87°N 91.05°W (Elev. 827 ft)
Last Update:
2:21 pm CDT Sep 17, 2026
Forecast Valid:
4pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation