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

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77° N Lon: 99.32° W Elev: 1693 ft.

Fair

81°F

27°C

Humidity 47%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 1 Aug 1:15 pm CDT
Detailed forecast for

Lyman County

This Afternoon
Partly sunny. Highs in the upper 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
Tonight
Patchy smoke in the evening. Partly cloudy. Lows in the lower 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday
Partly sunny. Patchy smoke. Breezy, hot with highs in the lower 90s. South winds 15 to 25 mph with gusts up to 35 mph.
Sunday Night
Patchy smoke in the evening. Partly cloudy. Windy with lows in the upper 60s. Southeast winds 20 to 30 mph with gusts up to 40 mph.
Monday
Partly sunny and breezy, hot with highs in the lower 90s. South winds 20 to 25 mph, becoming southwest in the afternoon.
Monday Night And Tuesday
Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Breezy. Lows around 60. Highs in the mid 70s. Chance of rain 50 percent.
Tuesday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s.
Wednesday And Wednesday Night
Partly cloudy. Highs in the upper 70s. Lows in the upper 50s.
Thursday
Partly sunny. Highs in the mid 80s.
Thursday Night
Mostly clear. A slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.
Friday
Partly sunny. Highs in the upper 80s.



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122 PM CDT Sat Aug 1 2026
 
 

Additional Resources

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