| NWS Forecast for: Central and Southern Valley Issued by: National Weather Service Glasgow, MT Last Update: 1230 AM MDT Tue Aug 18 2026 |  |
| Rest Of Tonight: Partly cloudy. Lows in the lower 50s. East wind around 5 mph. Tuesday: Mostly sunny. Highs in the lower 80s. Southeast wind around 5 mph, becoming southwest in the afternoon. Tuesday Night: Partly cloudy. A slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s. East wind around 5 mph. Chance of rain 20 percent. Wednesday: Mostly sunny. Highs in the upper 80s. Southwest wind around 5 mph, becoming west in the afternoon. Wednesday Night: Partly cloudy. Lows in the upper 50s. Northwest wind 5 to 10 mph, becoming northeast after midnight. Thursday: Mostly sunny. Highs in the upper 80s. Thursday Night And Friday: Mostly clear. Lows in the upper 50s. Highs in the mid 80s. Friday Night: Partly cloudy. Lows in the upper 50s. Saturday: Partly sunny. Highs in the mid 80s. Saturday Night: A chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Sunday: A slight chance of showers. Highs in the upper 80s. Sunday Night: Partly cloudy. Lows in the upper 50s. Monday: Sunny. Highs in the upper 80s. | |
| Zone Forecast: Central and Southern Valley | |
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