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

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Isolated severe thunderstorm gusts and a couple of tornadoes will be possible from southeast New Mexico into west Texas. Read More >

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

50°F

10°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 29 Sep 1:55 am CDT
Extended Forecast for

Clarence IA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 64. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers. High near 69. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Calm wind.
Tuesday
Partly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers. Low around 64. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 69. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clarence IA
 41.9°N 91.05°W (Elev. 899 ft)
Last Update:
1:26 am CDT Sep 29, 2026
Forecast Valid:
2am CDT Sep 29, 2026-6pm CDT Oct 5, 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