7-Day Zone Forecast for Fallon County (Text-Only)
NWS Forecast for: Fallon County
Issued by: National Weather Service Billings, MT
Last Update: 351 PM MDT Thu Oct 22 2026




Tonight: Partly cloudy. Warmer. Lows in the lower 50s. Southeast winds 5 to 15 mph.

Friday: Decreasing clouds. Highs in the lower 80s. South winds 10 to 20 mph. Gusts up to 45 mph in the afternoon.

Friday Night: Mostly cloudy. A 20 percent chance of rain in the evening. Windy. Much colder. Lows around 30. West winds 15 to 30 mph with gusts to around 45 mph.

Saturday: Sunny. Much colder. Highs in the upper 40s. West winds 15 to 25 mph.

Saturday Night: Mostly clear. Lows in the mid 20s. Light and variable winds in the evening becoming southeast 5 to 10 mph overnight.

Sunday: Mostly sunny. Highs around 50.

Sunday Night: Mostly cloudy with a 20 percent chance of rain showers. Lows in the mid 20s.

Monday: Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 40s.

Monday Night: Mostly cloudy with a 20 percent chance of rain showers. Lows in the mid 20s.

Tuesday: Partly sunny. Highs in the lower 50s.

Tuesday Night: Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers overnight. Lows in the upper 20s. Chance of precipitation 30 percent.

Wednesday: Mostly sunny. A 20 percent chance of rain and snow showers in the morning. Highs in the mid 40s.

Wednesday Night: Partly cloudy. Lows in the mid 20s.

Thursday: Mostly sunny. Highs in the upper 40s.







Zone Forecast: Fallon County

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