| NWS Forecast for: Madison River Valley Issued by: National Weather Service Great Falls, MT Last Update: 1256 PM MDT Thu Jul 23 2026 |  |
Rest Of Today: Mostly sunny. Chance of showers and slight chance of thunderstorms early in the afternoon, then chance of thunderstorms late in the afternoon. Patchy smoke late in the afternoon. Highs in the mid 80s. West winds up to 10 mph. Chance of precipitation 40 percent. Tonight: Partly cloudy. A 20 percent chance of thunderstorms in the evening. Patchy smoke through the night. Lows 57 to 63. West winds 5 to 10 mph shifting to the south 5 to 15 mph after midnight. Friday: Sunny. Patchy smoke in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 5 to 15 mph with gusts to around 30 mph. Friday Night: Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 59 to 65. South winds 10 to 15 mph. Saturday: Breezy. Sunny in the morning, then partly sunny with a 40 percent chance of thunderstorms in the afternoon. Highs in the lower 90s. South winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Saturday Night: Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 57 to 63. Sunday: Sunny. Highs in the lower 90s. Sunday Night: Partly cloudy. Lows in the upper 50s. Monday: Sunny. Highs in the upper 80s. Monday Night: Partly cloudy. Lows in the upper 50s. Tuesday: Sunny. Highs around 90. Tuesday Night: Partly cloudy. Lows in the upper 50s. Wednesday: Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 90s. | |
| Zone Forecast: Madison River Valley | |
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