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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Farmington Airport (KFAM)

Lat: 37.77°NLon: 90.43°WElev: 945ft.

Overcast

72°F

22°C

Humidity 73%
Wind Speed W 12 G 22 mph
Barometer 29.73 in (1007.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 1 Aug 12:56 pm CDT
Extended Forecast for

Potosi MO

  • This Afternoon

    This Afternoon: Scattered showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 71. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 71 °F

    Scattered
    Showers

  • Tonight

    Tonight: Areas of showers and thunderstorms before 8pm, then areas of drizzle and thunderstorms between 8pm and 9pm, then areas of drizzle after 9pm. Cloudy, with a low around 63. Northwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Areas Showers

  • Sunday

    Sunday: Patchy drizzle before 7am. Cloudy through mid morning, then gradual clearing, with a high near 79. North wind around 9 mph, with gusts as high as 22 mph.

    High: 79 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Light north wind.

    High: 84 °F

    Sunny

  • Monday Night

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

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 71. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Areas of showers and thunderstorms before 8pm, then areas of drizzle and thunderstorms between 8pm and 9pm, then areas of drizzle after 9pm. Cloudy, with a low around 63. Northwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday
Patchy drizzle before 7am. Cloudy through mid morning, then gradual clearing, with a high near 79. North wind around 9 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 62. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 84. Light north wind.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potosi MO
 37.95°N 90.8°W (Elev. 892 ft)
Last Update:
1:26 pm CDT Aug 1, 2026
Forecast Valid:
1pm CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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