County Forecast for Ashton , IA
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121900-
Osceola-
Including the city of Sibley
649 AM CDT Sun Jul 12 2026

Today   Sunny. Highs in the upper 80s. South winds 5 to 10 mph.
Tonight   Clear with lows in the mid 60s. South winds 5 to 10 mph.
Monday   Sunny with highs around 90. Southwest winds 5 to 10 mph.
Monday night   Clear with lows in the mid 60s. South winds 5 to 10 mph.
Tuesday   Sunny with highs in the lower 90s. Southwest winds 5 to 10 mph.
Tuesday night   Mostly clear. Lows in the mid 60s.
Wednesday   Sunny. Highs in the lower 90s.
Wednesday night   Mostly clear. Lows in the upper 60s.
Thursday   Sunny. Highs in the mid 90s.
Thursday night   Clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Heat index values in the upper 90s early in the evening.
Friday   Sunny. Highs in the mid 90s.
Friday night   Mostly clear. Lows in the lower 70s. Heat index values in the upper 90s early in the evening.
Saturday   Mostly sunny. Highs in the lower 90s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Extreme Heat Building Into Northern Plains This Weekend
Posted at 12:03PM Fri Jul 10, 2026 CDT
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