UV Index for Roundup, MT

Current Roundup UV Index

0 (Low)

Last Updated 23 minutes ago

Hourly Roundup UV Index

The hourly Roundup, MT UV Index forecast for Sunday, January 4th, 2026.

5 Day Hourly Roundup UV Index Forecast

Last Updated 11 hours ago

The UV index forecast for the next five days in Roundup, MT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Roundup over the next five days will be 1 on Tuesday, January 6th at 12:00 pm.

The UV index forecast for Sunday, January 4th in Roundup, MT is below.

Time UV Index Risk
11pm 0
Low

The UV index forecast for Monday, January 5th in Roundup, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.2
Low
10am 0.3
Low
11am 0.4
Low
12pm 0.5
Low
1pm 0.4
Low
2pm 0.2
Low
3pm 0.2
Low
4pm 0
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, January 6th in Roundup, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.2
Low
10am 0.5
Low
11am 0.8
Low
12pm 1
Low
1pm 0.9
Low
2pm 0.6
Low
3pm 0.3
Low
4pm 0
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, January 7th in Roundup, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.2
Low
10am 0.5
Low
11am 0.7
Low
12pm 0.8
Low
1pm 0.8
Low
2pm 0.7
Low
3pm 0.4
Low
4pm 0
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, January 8th in Roundup, MT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low