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Onstad Park, MT Weather Forecast
Onstad Park, MT Weather Forecast Date: 336 AM MDT Mon Sep 21 2026
The area/counties/county of: Sheridan, including the cities of: Plentywood and Medicine Lake.or toggle through each period.
Today... Mostly sunny. Highs in the upper 60s. South wind 10 to 15 mph.
Tonight... Mostly clear. Lows in the upper 40s. Southeast wind 10 to 15 mph.
Tuesday... Partly sunny. Highs around 70. Southeast wind 15 to 20 mph.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Southeast wind 15 to 20 mph.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. South wind 10 to 15 mph.
Wednesday Night... Mostly clear. Lows around 50. Highs in the lower 80s.
Thursday... Mostly clear. Lows around 50. Highs in the lower 80s.
Thursday Night... Mostly clear. Lows in the mid 50s.
Friday... Mostly sunny and breezy. Highs in the upper 70s.
Friday Night... A slight chance of showers. Lows in the lower 50s.
Saturday... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s.
Saturday Night... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s.
POP = Probability of Precipitation
Onstad Park Radar Loop
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