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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Mostly Cloudy

87°F

31°C

Humidity 77%
Wind Speed N 6 mph
Barometer 29.96 in (1015.7 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 20 Jul 4:56 pm CDT
Extended Forecast for

Thomson IL

Flash Flood Watch July 21, 04:00pm until July 22, 09:00am
Click here for hazard details and duration
Flash Flood Watch
  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. Northwest wind around 10 mph.

    Slight Chance
    T-storms

    High: 89 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 72. North wind around 5 mph becoming east after midnight.

    Chance
    T-storms and
    Patchy Fog

    Low: 72 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 88. Heat index values as high as 100. Southeast wind 5 to 10 mph.

    Chance
    T-storms and
    Patchy Fog

    High: 88 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 73. Southeast wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 73 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 90.

    Chance
    T-storms

    High: 90 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 70.

    Slight Chance
    T-storms

    Low: 70 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Monday

    Monday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Northwest wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 72. North wind around 5 mph becoming east after midnight.
Friday
A 40 percent chance of showers and thunderstorms. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 88. Heat index values as high as 100. Southeast wind 5 to 10 mph.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 73. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
4:00 pm CDT Jul 20, 2017
5pm CDT Jul 20, 2017-6pm CDT Jul 27, 2017
 
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