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 >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15° N Lon: 89.7° W Elev: 528 ft.

Fair

79°F

26°C

Humidity 76%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Sep 9:15 pm CDT
Detailed forecast for

Randolph County

Tonight
Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows around 70. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early this evening.
Saturday
Mostly sunny. Hot with highs in the upper 90s. Southwest winds around 5 mph.
Saturday Night
Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph.
Sunday
Mostly sunny. Hot with highs in the mid 90s. West winds around 5 mph.
Sunday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.
Monday
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Cooler with highs in the mid 80s. Chance of rain 60 percent.
Monday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 60. Chance of rain 50 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs in the mid 70s.
Tuesday Night Through Friday
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.



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928 PM CDT Fri Sep 18 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database