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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Farmington Airport (KFAM)

Lat: 37.77°NLon: 90.43°WElev: 945ft.

Fair

80°F

27°C

Humidity 74%
Wind Speed Calm
Barometer 30.20 in (1022.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Sep 8:56 am CDT
Extended Forecast for

5 Miles SW Belgrade MO

Heat Advisory September 18, 09:40am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 09:40am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95. Southwest wind 3 to 7 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light southwest wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Light west wind.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Heat index values as high as 105. South wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Sunny, with a high near 95. Southwest wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 71. Light southwest wind.
Sunday
Mostly sunny, with a high near 94. Light west wind.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Belgrade MO
 37.73°N 90.92°W (Elev. 1099 ft)
Last Update:
8:51 am CDT Sep 18, 2026
Forecast Valid:
9am CDT Sep 18, 2026-6pm CDT Sep 24, 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