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

Hazardous Weather Conditions

Current conditions at

Farmington Airport (KFAM)

Lat: 37.77°NLon: 90.43°WElev: 945ft.

Fair

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 29.96 in (1014.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 11:56 pm CDT
Extended Forecast for

Potosi MO

Flood Watch June 21, 07:00am until June 22, 07:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 87. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before midnight. Low around 63. Southwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    Low: 63 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 77. Northwest wind around 6 mph.

    High: 77 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 87. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms, mainly before midnight. Low around 63. Southwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 77. Northwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potosi MO
 37.95°N 90.8°W (Elev. 892 ft)
Last Update:
11:51 pm CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 21, 2026-6pm CDT Jun 27, 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