10-day forecast for Simms, MT: 26° to 77°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Friday, October 9
54° · 0.65 in
Worst day: Saturday, October 10
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0977° / 48°0
Morning49°feels 44°
Afternoon76°feels 74°
Evening59°feels 56°
Overnight52°feels 48°
77 °
Simms, Friday, 9 October
Overcast. High 77°, low 48°.
Pressure29.47 inHg
Wind17.8 mph S
Humidity21%
Visibility6.2 mi
Dew point30°
Sat, 1054° / 32°0.65
Morning45°feels 40°
Afternoon38°feels 30°
Evening34°feels 27°
Overnight54°feels 51°
54 °
Simms, Saturday, 10 October
Snow. High 54°, low 32°.
Pressure29.88 inHg
Wind13.1 mph N
Humidity91%
Visibility2.2 mi
Dew point36°
Sun, 1132° / 30°0.42
Morning30°feels 21°
Afternoon32°feels 23°
Evening32°feels 23°
Overnight32°feels 22°
32 °
Simms, Sunday, 11 October
Snow. High 32°, low 30°.
Pressure30.21 inHg
Wind11.5 mph N
Humidity98%
Visibility3.3 mi
Dew point30°
Mon, 1234° / 31°0.17
Morning32°feels 27°
Afternoon33°feels 33°
Evening34°feels 31°
Overnight32°feels 23°
34 °
Simms, Monday, 12 October
Snow. High 34°, low 31°.
Pressure30.15 inHg
Wind10.2 mph NE
Humidity94%
Visibility—
Dew point31°
Tue, 1343° / 26°0
Morning29°feels 25°
Afternoon38°feels 38°
Evening41°feels 40°
Overnight32°feels 28°
43 °
Simms, Tuesday, 13 October
Mostly clear. High 43°, low 26°.
Pressure30.12 inHg
Wind5.3 mph W
Humidity82%
Visibility—
Dew point30°
Wed, 1453° / 34°0.07
Morning45°feels 40°
Afternoon51°feels 48°
Evening46°feels 38°
Overnight41°feels 32°
53 °
Simms, Wednesday, 14 October
Light rain. High 53°, low 34°.
Pressure29.62 inHg
Wind21.8 mph N
Humidity58%
Visibility—
Dew point37°
Thu, 1538° / 31°0.08
Morning34°feels 22°
Afternoon37°feels 27°
Evening36°feels 33°
Overnight31°feels 25°
38 °
Simms, Thursday, 15 October
Light snow. High 38°, low 31°.
Pressure30.50 inHg
Wind22.1 mph N
Humidity63%
Visibility—
Dew point24°
Fri, 1645° / 26°0
Morning30°feels 23°
Afternoon40°feels 33°
Evening40°feels 34°
Overnight33°feels 26°
45 °
Simms, Friday, 16 October
Clear. High 45°, low 26°.
Pressure30.50 inHg
Wind13.6 mph S
Humidity56%
Visibility—
Dew point24°
Sat, 1756° / 31°0
Morning35°feels 26°
Afternoon46°feels 40°
Evening47°feels 42°
Overnight40°feels 34°
56 °
Simms, Saturday, 17 October
Clear. High 56°, low 31°.
Pressure30.09 inHg
Wind16.5 mph S
Humidity49%
Visibility—
Dew point26°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Simms, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.